Vulnerability CVE-2012-2657


Published: 2012-08-31

Description:
** DISPUTED ** Buffer overflow in the SQLDriverConnect function in unixODBC 2.0.10, 2.3.1, and earlier allows local users to cause a denial of service (crash) via a long string in the FILEDSN option. NOTE: this issue might not be a vulnerability, since the ability to set this option typically implies that the attacker already has legitimate access to cause a DoS or execute code, and therefore the issue would not cross privilege boundaries. There may be limited attack scenarios if isql command-line options are exposed to an attacker, although it seems likely that other, more serious issues would also be exposed, and this issue might not cross privilege boundaries in that context.

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Unixodbc -> Unixodbc 

 References:
http://xforce.iss.net/xforce/xfdb/75940
http://www.securityfocus.com/bid/53712
http://www.osvdb.org/82460
http://www.openwall.com/lists/oss-security/2012/06/06/3
http://www.openwall.com/lists/oss-security/2012/05/31/2
http://www.openwall.com/lists/oss-security/2012/05/30/7
http://www.openwall.com/lists/oss-security/2012/05/29/7
http://www.openwall.com/lists/oss-security/2012/05/29/10

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